Home / 679,244.55-1,019,757.15-455,605.58

Finding the Fourth Proportional to 679,244.55, 1,019,757.15 and 455,605.58

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Solution

The fourth proportional to 679,244.55, 1,019,757.15 and 455,605.58 is: 684,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,244.55 : 1,019,757.15 = 455,605.58 : x
  2. Step 2: Convert to fraction form
    679,244.55/1,019,757.15 = 455,605.58/x
  3. Step 3: Cross multiply
    679,244.55x = 1,019,757.15 × 455,605.58
  4. Step 4: Simplify right side
    679,244.55x = 464,607,042,686.11
  5. Step 5: Solve for x
    x = 464,607,042,686.11/679,244.55
  6. Step 6: Final answer
    x = 684,005.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.